User with the same name, surname, and birthday
$duplicate_user = \DB::table('users')
->where('name', 'LIKE', $new_name)
->where('surname', 'LIKE', $new_surname)
->where('birthday', '=', $new_birthday)
->first();
if($duplicate_user) {
return response('This user already exists', 422);
}
solved Laravel check if user exists